fix bug leading to gaps in tabs at the corner of the screen.
fix bug leading to gaps in tabs at the corner of the screen.

Besides being ugly, this had the effect of making me fail to click on the
tab I aimed for, if it was in the corner.

mathstuf/xmonad-contrib,f1u77y/xmonad-contrib,CaptainPatate/xmonad-contrib,CaptainPatate/xmonad-contrib,0/xmonad-contrib,f1u77y/xmonad-contrib,0/xmonad-contrib,ohlus/xmonad-contrib,CaptainPatate/xmonad-contrib,0/xmonad-contrib,mathstuf/xmonad-contrib,mathstuf/xmonad-contrib,pjones/xmonad-test,ohlus/xmonad-contrib,xmonad/xmonad-contrib,xmonad/xmonad-contrib,ohlus/xmonad-contrib